How many hearts does an octopus have?
An octopus has three hearts: two pump blood through the gills and one pumps it to the rest of the body.
Reference: Oregon Coast Aquarium
An octopus has three hearts: two pump blood through the gills and one pumps it to the rest of the body.
The orca, also called the killer whale, is actually the largest member of the dolphin family, not a true whale in the everyday sense.
OR-7 was a gray wolf from Oregon that traveled more than 1,000 miles and became the first wild wolf known in California since 1924 when he crossed the state line in 2011.